Question

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Answer 1

Răspuns:

5/8 are ana din banii lui mihai. 201 -32=169 169:8=21,125 21,125×5=105,6 105,6+32=137,6

21,125×3= 63,3

Explicație pas cu pas:

ana are 137,6 iar mihai 63,3

Answer 2

Notăm:

m - suma lui Mihai;

a - suma Anei .

$\it m+a=201\ \ \ \ \ (1)\\ \\ \\ a=\dfrac{5}{8}m+32\ \ \ \ \ (2)\\ \\ \\ (1),\ (2) \Rightarrow m+\dfrac{5}{8}m+32=201\Big|_{-32} \Rightarrow m+\dfrac{5}{8}m=169\Big|_{\cdot8} \Rightarrow \\ \\ \\ \Rightarrow 8m+5m=8\cdot169 \Rightarrow 13m=8\cdot169\Big|_{:13} \Rightarrow m=8\cdo13=104\ \ell ei\ \ \ \ \ (3)\\ \\ \\ (1),\ (3) \Rightarrow 104+a=201\Big|_{-104} \Rightarrow a=97\ \ell ei$

Mihai are 104 lei, iar Ana are 97 lei .